11132131312 has 40 divisors (see below), whose sum is σ = 22977279360. Its totient is φ = 5209571520.

The previous prime is 11132131291. The next prime is 11132131319. The reversal of 11132131312 is 21313123111.

It is a super-2 number, since 2×11132131312² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 11132131312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132131319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195364 + ... + 245827.

It is an arithmetic number, because the mean of its divisors is an integer number (574431984).

Almost surely, 2^11132131312 is an apocalyptic number.

It is an amenable number.

11132131312 is an abundant number, since it is smaller than the sum of its proper divisors (11845148048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11132131312 is a wasteful number, since it uses less digits than its factorization.

11132131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441301 (or 441295 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

Adding to 11132131312 its reverse (21313123111), we get a palindrome (32445254423).

The spelling of 11132131312 in words is "eleven billion, one hundred thirty-two million, one hundred thirty-one thousand, three hundred twelve".